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| title | aliases | tags | |
|---|---|---|---|
| combinatorial-logic |
|
[!Definition] Combinatorial Logic Circuit is a circuit whose digital outputs are dependent only on its digital inputs They can be described using logic expressions and therefore logic gates. We assume the outputs respond immediately^[1]
- current flows from + to -
- input to a unit (e.g., LED) is at the + end
They can be defined:
- Using a truth table
- Using boolean-equations (
Q\ =\ A+\ B) - Using graphical symbols
Adders
Parity Generator
- 3 Bit parity Generator
- Adds an extra bit to the input data so that the number of ones in the output is always odd
- Used for error checking
- truth table
- boolean equation
- circuit
